Gotra or गोत्र (Hindi) is word having literature meaning "cow-pen" or "cow-shed". This world is taken from archaic rigvedic Sanskrit for classification and identification of castes in India. Gotra is the Sanskrit term for a much older system of tribal clans.The Sanskrit term "Gotra" was initially used by the Vedic people for the identification of the lineages.Maharshi Panini has defined gotra in his grammar as " उपत्यं प्रौत्रं प्रभृति गोत्रम " means Gotra is the name of group of descents, leaving son, including grandsons and great grandsons.